Home / 161,763.17-242,423.31-102,640.37

Finding the Fourth Proportional to 161,763.17, 242,423.31 and 102,640.37

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Solution

The fourth proportional to 161,763.17, 242,423.31 and 102,640.37 is: 153,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,763.17 : 242,423.31 = 102,640.37 : x
  2. Step 2: Convert to fraction form
    161,763.17/242,423.31 = 102,640.37/x
  3. Step 3: Cross multiply
    161,763.17x = 242,423.31 × 102,640.37
  4. Step 4: Simplify right side
    161,763.17x = 24,882,418,235.02
  5. Step 5: Solve for x
    x = 24,882,418,235.02/161,763.17
  6. Step 6: Final answer
    x = 153,820.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.